Sifunda okuningi mayelana nokuthi yini iseva DNS

Awazi yini iseva DNS? Ngubani uzophendula ngokuningiliziwe ngale ndaba. Naphezu kweqiniso lokuthi internet isebenzisa inombolo nenqwaba yabantu, abaningi ngisho nokuwabona isimiso ukuthi usebenza lokhu okusungulile emangalisayo lesintu. Yiqiniso, ulwazi olujulile ngempela isimiso yokusebenza kwe-Internet bambalwa kakhulu abantu kudingeka. Basuke ezidingekayo ochwepheshe, ngoba, njengoba wazi, kancane uyazi, ngcono wena ukulala. Lesi sitatimende kuyinto usizo kakhulu, ngoba isicelo umkhuba wokusebenzisa abanye nolwazi olukha phezulu igcwele nemiphumela ungalungiseki. Uma noma ubani, beqiniseka ulwazi lwabo omuhle kakhulu isakhiwo se-Inthanethi, wemba ikhompyutha yakhe, internet wayengeke abe nhlobo. Ngokwesibonelo, uma ungeyena nesithakazelo eqinisweni ukuthi DNS enjalo iseva, awudingi ukuba njalo sikhathazeke ngayo. Phela, njengoba siye yavula - uma into akusebenzi, kudingeka uthole ohlelweni, ukushintsha konke nge "umkhonto" futhi ekugcineni ungumbuso ongayikuchithwa. Kule singaphetha ngokuthi zokungazi, isibonelo, yini iseva DNS kuyinto izaba ephelele hhayi ukuze athole ngokwakhe zibe computer yakhe, futhi bameme uchwepheshe omethembayo. Naphezu kwakho konke lokhu, kufanele namanje bheka ku onjani "izithelo", iseva DNS.

Njengoba ungase ukuqagela, uma ukugcina isimiso zonke izinqubo ku-Inthanethi ngandlela-thile exhunywe nabanye izicelo kanye nezimpendulo kubo. Umuntu dials ikheli le-Inthanethi ibha Ikheli, ithumela isicelo ku-opharetha wakho wenethiwekhi, nokuthi, esikhundleni salokho, kuseva indawo. Ukuze ahlukanise phakathi le mibuzo efanayo futhi ngandlela-thile ukuzisho, futhi kukhona amaseva DNS akha ulwazi oluyiqiniso ukubukeka. Ngenxa yalokho, singasho ukuthi kulabo abanentshisekelo umbuzo, uyini-IP iseva ukuthi basiza ukuthumela imibuzo efanele futhi ukuthola izimpendulo ezifanele kubo. Ngakho, umuntu uthola kahle ukuthi nangu ekubheka lo mfana, futhi lonke World Wide ohlelweni Web kuhamba ngemfanelo.

Isikhathi esining impela, bonke nemingcele ezidingekayo ukuze ukusebenza evamile inthanethi kwikhompyutha kuphela ngokuzenzakalelayo uma uxhuma ikhebula inethiwekhi, kodwa izindlela zanamuhla ukusebenza kungaba ngiziqhayise, akubona bonke abahlinzeki. Kuze kube manje, lo yocingo uxhumano ekhona nge imodemu, okuyinto kakade sesingochwepheshe esiphelelwe isikhathi, nezinye izinhlobo inthanethi. Lena kungani abantu ngesinye isikhathi kufanele ufunde ngokwakho yonke imingcele yabo ezidingekayo ukumisa uxhumano. Indlela yokuthola ikheli le-IP leseva? elula kakhulu. Uma usebenzisa Windows XP, isistimu yokusebenza, okuyinto namanje ezivamile, wena nje faka «ipconfig / zonke» umugqa wemiyalo nokubhala phansi imiphumela ephepheni. Nokho, kukhona indlela lula kakhulu. Umuntu kumelwe amane ubheke umhlinzeki wakho umcele usethe i-inthanethi.

Ngaphezu kwalokho, i-server ukufakwa dns kungaba kwenziwe ngokuzimela. Ukuze wenze lokhu, hamba ku-i-Windows zoHlelo, khetha "Amasevisi Odidiyelwe", yiya engxenyeni ethi "Ukwakheka" futhi uhlole ibhokisi eceleni dns yombhalo oqoshiwe. Ngakho, kusukela kukhompyutha yakho, ungenza DNS server yakho siqu ukuthi isetshenziselwa azidingayo. Yiqiniso, uma ungekho kwenye yezingosi uchwepheshe, akudingekile ukuba izame ohlelweni lwaso. Iqiniso lokuthi ungakwazi nje ukuvimbela uxhumano lwe-inthanethi, ake yonke imizamo phansi abakhwabanisi. Yingakho akufanele sibe nesithakazelo kulokho kuyinto uxhumano IP uma ungeyena uchwepheshe kulo mkhakha. Kungcono umeme nochwepheshe wezokwelapha ongeyena kuphela ukwenza izinto ezilungile, kodwa futhi uzoba nesibopho umsebenzi wabo. Yiqiniso, lokhu ngeke zidinga imali ethile, kodwa spoilt uxhumano lwe-inthanethi kungamenza alahlekelwe kakhulu ukwedlula ucingo onguchwepheshe ekhaya lakhe. Khumbula, avaricious okhokhela kabili.